(0 11 9)(1 13 3)(2 7 6)(4 20 18)(5 16 8)(10 14 12)(15 19 17)
ALLOWS (11/8)-SEQUENCE
1: (2 7 19)
(0 11 9)(1 13 3)(2 17 15 19 6)(4 20 18)(5 16 8)(7)(10 14 12)
2: (1 13 3)
(0 11 9)(1)(2 17 15 19 6)(3)(4 20 18)(5 16 8)(7)(10 14 12)(13)
3: (4 20 18)
(0 11 9)(1)(2 17 15 19 6)(3)(4)(5 16 8)(7)(10 14 12)(13)(18)(20)
4: (2 17 6)
(0 11 9)(1)(2)(3)(4)(5 16 8)(6 15 19)(7)(10 14 12)(13)(17)(18)(20)